Google displays the author of content in certain search results. They are doing this to help eliminate content farms. Google also mentioned they will be favouring pages with an author for their rankings calculation.
This article explains to setup authorship on your web pages
A lot of people spend a lot of time trying to get their pages indexed on Search Engines; however, there are circumstances where you may wish to remove content from Search Engines. This article explains how you can remove you pages from Search Engines.